From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr0-f197.google.com (mail-wr0-f197.google.com [209.85.128.197]) by kanga.kvack.org (Postfix) with ESMTP id E260B6B0038 for ; Tue, 28 Nov 2017 14:39:43 -0500 (EST) Received: by mail-wr0-f197.google.com with SMTP id l4so573970wre.10 for ; Tue, 28 Nov 2017 11:39:43 -0800 (PST) Received: from mx2.suse.de (mx2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id b35si206237edb.0.2017.11.28.11.39.42 for (version=TLS1 cipher=AES128-SHA bits=128/128); Tue, 28 Nov 2017 11:39:42 -0800 (PST) Date: Tue, 28 Nov 2017 20:39:40 +0100 From: Michal Hocko Subject: Re: [PATCH v2] mm,oom: Set ->signal->oom_mm to all thread groups sharing the victim's mm. Message-ID: <20171128193940.hcrsx3wimr5hwulh@dhcp22.suse.cz> References: <201711282307.EBG97690.MQVOFLFFOJHtOS@I-love.SAKURA.ne.jp> <1511885835-4899-1-git-send-email-penguin-kernel@I-love.SAKURA.ne.jp> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1511885835-4899-1-git-send-email-penguin-kernel@I-love.SAKURA.ne.jp> Sender: owner-linux-mm@kvack.org List-ID: To: Tetsuo Handa Cc: akpm@linux-foundation.org, linux-mm@kvack.org, Roman Gushchin , David Rientjes , Johannes Weiner , Tejun Heo , Vladimir Davydov On Wed 29-11-17 01:17:15, Tetsuo Handa wrote: > Due to commit 696453e66630ad45 ("mm, oom: task_will_free_mem should skip > oom_reaped tasks") and patch "mm,oom: Use ALLOC_OOM for OOM victim's last > second allocation.", thread groups sharing the OOM victim's mm without > setting ->signal->oom_mm before task_will_free_mem(current) is called > might fail to try ALLOC_OOM allocation attempt. I've already NACKed your previous attempt. Now you are interfering with the patchset Roman plans to resubmit and cause further potential clashes for him. Stop this already! -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org